25290512

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 54460800

約数和(自身を除く): 29170288

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 169, 188, 199, 208, 338, 376, 398, 611, 676, 752, 796, 1222, 1352, 1592, 2444, 2587, 2704, 3184, 4888, 5174, 7943, 9353, 9776, 10348, 15886, 18706, 20696, 31772, 33631, 37412, 41392, 63544, 67262, 74824, 121589, 127088, 134524, 149648, 243178, 269048, 486356, 538096, 972712, 1580657, 1945424, 3161314, 6322628, 12645256, 25290512]

約数ペア:

[(1, 25290512), (2, 12645256), (4, 6322628), (8, 3161314), (13, 1945424), (16, 1580657), (26, 972712), (47, 538096), (52, 486356), (94, 269048), (104, 243178), (169, 149648), (188, 134524), (199, 127088), (208, 121589), (338, 74824), (376, 67262), (398, 63544), (611, 41392), (676, 37412), (752, 33631), (796, 31772), (1222, 20696), (1352, 18706), (1592, 15886), (2444, 10348), (2587, 9776), (2704, 9353), (3184, 7943), (4888, 5174)]